JEEP
18-074-26
Manufacturer communications
- Publication date
- 2026-07-24
- Received by NHTSA
- 2026-07-29
- NHTSA record numbers
- 11035324
Manufacturer summary
Original wording in English
Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):
• P2AF6-00 - Starter Relay 3 Stuck Off (with DBSM).
• P014B-00 - O2 Sensor 2-2 Delayed Response-Lean To Rich.
• P062B-00 - Internal Control Module Fuel Injector Control Performance. Customers may also comment on the following:
• Engine Stop/Start (ESS) inoperative with "Auto Stop Start Not Ready" message in Instrument Panel Cluster (IPC). The following software enhancements are also available:
• Update to enable Exhaust Gas Recirculation (EGR) disable during gear shift for smoother shifting.
• Update for the Brake System Control Module (BSCM) MIL illumination request not setting the MIL on the Powertrain Control Module (PCM). This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software.
• P2AF6-00 - Starter Relay 3 Stuck Off (with DBSM).
• P014B-00 - O2 Sensor 2-2 Delayed Response-Lean To Rich.
• P062B-00 - Internal Control Module Fuel Injector Control Performance. Customers may also comment on the following:
• Engine Stop/Start (ESS) inoperative with "Auto Stop Start Not Ready" message in Instrument Panel Cluster (IPC). The following software enhancements are also available:
• Update to enable Exhaust Gas Recirculation (EGR) disable during gear shift for smoother shifting.
• Update for the Brake System Control Module (BSCM) MIL illumination request not setting the MIL on the Powertrain Control Module (PCM). This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Jeep
P014B-00O2 Sensor 2-2 Delayed Response-Lean To RichJeep
P062B-00Internal Control Module Fuel Injector Control PerformanceJeep
P2AF6-00Starter Relay 3 Stuck Off (with DBSM)Check vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Jeep | GRAND WAGONEER | 2026 |